Fortnite FPS on EPYC 9745 + GeForce RTX 4090

Fortnite

Fortnite serves as a showcase for Unreal Engine 5. In 'Performance Mode', it runs on almost anything. However, enabling 'Lumen' (global illumination) and 'Nanite' (virtualized geometry) requires a powerful RTX 30/40 series GPU to maintain 60 FPS. The building mechanics also add a significant CPU load, especially in competitive end-games with dense player structures.

Fortnite - FPS Estimates by Resolution

Actual FPS may vary based on RAM speed, background processes, and other system factors

1080P
low350 FPS
medium280 FPS
high165 FPS
ultra126 FPS
1440P
low218 FPS
medium178 FPS
high123 FPS
ultra90 FPS
4K
low109 FPS
medium89 FPS
high73 FPS
ultra55 FPS

Performance Report

Fortnite

GeForce RTX 4090 + EPYC 9745
🎮Visual Experience

At 1080p, all quality settings exceed 126 FPS. At 1440p, all settings exceed 90 FPS. At 4K, frame rates range from 55 to 109 FPS.

Official Requirements

The GeForce RTX 4090 is 136% above the recommended GPU (GeForce GTX 1080) for Fortnite. The EPYC 9745 is 894% above the recommended CPU (Core i5-7300U).

⚙️FPS Ceiling Analysis

The EPYC 9745 sets the FPS ceiling at all 1080p settings, all 1440p settings, all 4k settings, while the GeForce RTX 4090 still has headroom.

💰Value Analysis

Approximated average price on current market:

GeForce RTX 4090:$1649
Official Launch Price: $1599
EPYC 9745:$10588
Official Launch Price: $12141

Combo price: $12237. At 1080p Ultra, this combo delivers 126 FPS, equivalent to 0.01 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.029 fps/$0.023 fps/$0.013 fps/$0.010 fps/$
1440p0.018 fps/$0.015 fps/$0.010 fps/$0.007 fps/$
4k0.009 fps/$0.007 fps/$0.006 fps/$0.004 fps/$

* Table values represent FPS per Dollar (higher is better)

Performance Limiter Analysis

EPYC 9745|GeForce RTX 4090

This section is based on estimated CPU/GPU FPS ceilings, not utilization percentages. Adjacent heavier settings are lightly stabilized to remove prediction jitter that would otherwise create impossible reversals.

📈Analysis

At 1080p low, the EPYC 9745 sets the ceiling at about 406 FPS, while the GeForce RTX 4090 could reach 941 FPS. In this scenario, the CPU limits the GPU potential by 57% (FPS gap: 535 FPS). Overall distribution: CPU limits 12/12 cells, GPU limits 0/12, balanced 0/12.

Verdict

CPU Limits GPU

Your EPYC 9745 is the limiting side in the heaviest mismatch. This means part of the GeForce RTX 4090 rendering potential remains unused in those settings.

🧩Detailed Breakdown
1080p (Full HD)
LowCPU Limits GPU 57%
MediumCPU Limits GPU 53%
HighCPU Limits GPU 47%
UltraCPU Limits GPU 47%
1440p (2K QHD)
LowCPU Limits GPU 55%
MediumCPU Limits GPU 53%
HighCPU Limits GPU 45%
UltraCPU Limits GPU 45%
4K (Ultra HD)
LowCPU Limits GPU 52%
MediumCPU Limits GPU 41%
HighCPU Limits GPU 41%
UltraCPU Limits GPU 39%
Percentages show how much potential FPS of the stronger component is lost because the other component has a lower FPS ceiling.
🧠Methodology

We estimate the maximum FPS the processor can sustain and the maximum FPS the graphics card can sustain in each setting, then compare those limits directly.

Limit Factor formula: (stronger - weaker) / stronger. Example: if CPU ceiling is 200 FPS and GPU ceiling is 140 FPS, then GPU limits CPU by 30%.

CPU Limits GPU means the processor ceiling is lower. GPU Limits CPU means the graphics ceiling is lower. Balanced means the FPS ceilings are close enough that the gap is negligible.

A component can still be the FPS limiter without reaching 100% utilization. The displayed percentages are derived from FPS ceilings and then monotonic-smoothed across heavier presets and resolutions, not generic utilization heuristics.

Fortnite Requirements Comparison

See how your processor and graphics card compare against the game official minimum and recommended system specs. The placement of your hardware is calculated using relative synthetic performance scores to help you gauge overall playability.

CPU - EPYC 9745
cpu icon
130,698
Your Score
MinimumCore i3-3225
RecommendedCore i5-7300U
GPU - GeForce RTX 4090
gpu icon
38,112
Your Score
MinimumGeForce GTX 960
RecommendedGeForce GTX 1080

Your CPU is 894% above and your GPU is 136% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

CPU

+894%vsrecommended

GPU

+136%vsrecommended

CPU

+1940%vsminimum

GPU

+521%vsminimum

Minimum Requirements
Video Card: GeForce GTX 960
Processor: Core i3-3225
Memory: 8 GB
Disk Space: 30 GB
System: Windows 10 64-bit
Recommended Requirements
Video Card: GeForce GTX 1080
Processor: Core i5-7300U
Memory: 16 GB
Disk Space: 30 GB (NVMe SSD)
System: Windows 10 64-bit

Frequently Asked Questions

1Can the EPYC 9745 and GeForce RTX 4090 run Fortnite well?

Yes, the EPYC 9745 paired with the GeForce RTX 4090 can run Fortnite smoothly up to 1440p achieving around 90 FPS at Ultra quality. Your GPU is 136% above the recommended specs, and your CPU is 894% above the recommended requirements.

2Is there a more cost-effective setup to run Fortnite?

This CPU + GPU combo costs approximately $12237 ($10588 CPU + $1649 GPU). Your EPYC 9745 provides phenomenal top-tier performance but at a premium enthusiast price. Since you are essentially at the ceiling of current hardware capabilities, there are no meaningful performance upgrades available. However, if you wanted a more cost-effective build that still delivers a great experience, you could theoretically step down to a high-end processor with a significantly better value rating. For example, the EPYC 9755 is a great upgrade option for around $12984 (Rank #479 for value).

3Which component should I upgrade first to improve Fortnite performance?

Your EPYC 9745 is already an incredibly powerful processor. While it's technically the first component to hit its limit (which is completely normal in state-of-the-art builds), there is no meaningful upgrade path that would drastically improve your Fortnite performance right now. CPU fully utilized at: 1080p low, 1080p medium, 1080p high, 1080p ultra, 1440p low, 1440p medium, 1440p high, 1440p ultra, 4k low, 4k medium, 4k high, 4k ultra.

4Does this setup support Frame Generation for Fortnite?

Fortnite does not currently support Frame Generation technologies like DLSS 3 or FSR 3. Your performance is based entirely on native rendering. If the game adds support in a future update, newer GPUs will benefit the most.

5What are the minimum and recommended specs for Fortnite?

Fortnite requires at minimum a Core i3-3225 (CPU) and GeForce GTX 960 (GPU) with 8 GB RAM and 30 GB storage. For the recommended experience, you need a Core i5-7300U and GeForce GTX 1080 with 16 GB RAM. Your EPYC 9745 and GeForce RTX 4090 both exceed the recommended specs, so you're well-positioned for a great experience.

6How accurate are these Fortnite FPS estimates for the EPYC 9745 and GeForce RTX 4090?

These Fortnite FPS results are not arbitrary numbers. They come from calculations informed by thousands of real gaming benchmarks, and the typical accuracy range is around 10% to 15%. That makes them far more useful than generic FPS calculators that simply invent values without a benchmark foundation. Actual in-game performance can still vary with drivers, updates, RAM configuration, cooling, and the exact scene being rendered.

Performance estimates are based on synthetic benchmarks and hardware capabilities.

Results may vary based on drivers, OS, and background processes.